diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 951a87909c29..d162e2dd8602 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1338,13 +1338,15 @@ static int taprio_dev_notifier(struct notifier_block *nb, unsigned long event, stab = rtnl_dereference(q->root->stab); - oper = rtnl_dereference(q->oper_sched); + rcu_read_lock(); + oper = rcu_dereference(q->oper_sched); if (oper) taprio_update_queue_max_sdu(q, oper, stab); - admin = rtnl_dereference(q->admin_sched); + admin = rcu_dereference(q->admin_sched); if (admin) taprio_update_queue_max_sdu(q, admin, stab); + rcu_read_unlock(); break; }